From Wikipedia: On the night of March 6, 1976 the house was investigated by Ed and Lorraine Warren, a husband and wife team self-described as demonologists, together with a crew from the television station Channel 5 New York and reporter Michael Linder of WNEW-FM. During the course of the investigation Gene Campbell took a series of infrared time-lapse photographs. One of the images allegedly showed a "demonic boy" with glowing eyes who was standing at the foot of a staircase.[23] The photograph did not emerge into the public domain until 1979, when George and Kathy Lutz and Rod Steiger appeared on The Merv Griffin Show to promote the release of the first film. 112 Ocean Avenue was also investigated by the parapsychologist Hans Holzer. The Warrens and Holzer have suggested that the house is occupied by malevolent spirits due to its history.
Later, a great deal of skepticism came forth about that supposed child picture considering that it looked like and wore the same shirt as one of the crew there with the Warrens.
Whether Amityville is or isn't haunted, it would never be taken seriously after all the rampant fraud in relating the Amityville Horror story. There have been a great deal of residents in that home over the decades and it's been relatively quiet. If I were asked to make an observation about it, every fiber of my being believes that house is not haunted. Lots of homes have mass killings and no hauntings. There are secrets behind why that is and I hope to expose them in a future book "Spirit Vessels: Why Some Buildings Are Haunted."
For a fantastic article on this subject, go here.
